front 1 Each digital image is formed by two-dimensional elements termed: | back 1 pixels |
front 2 Highly complex mathematical formulas used in creating the digital image are termed: | back 2 Algorithms |
front 3 True/False: Changes in kV have little impact on patient dose with digital imaging. | back 3 False |
front 4 True/False: kV and mAs do not have the same direct effect on image quality with digital imaging as they do with IR screen imaging. | back 4 True |
front 5 True/False: A wide exposure latitude associated with digital imaging systems will reduce repeat exposures. | back 5 True |
front 6 The intensity of light that represents the individual pixels in the image on the monitor is termed: | back 6 Brightness |
front 7 The primary controlling factor of contrast in the digital film image is: | back 7 processing algorithms |
front 8 The greater the bit depth of a digital system, the greater the: | back 8 contrast resolution |
front 9 What term describes the minimum pixel size that can be displayed by a monitor? | back 9 Display pixel size |
front 10 True/False: OID and SID have little impact on spatial resolution of the digital image. | back 10 False |
front 11 True/False: The current range of spatial resolution for digital general radiographic imaging is between 2.5 to 5 lp/mm. | back 11 True |
front 12 A numeric value that is representative of the exposure the image receptor received is termed: | back 12 Exposure Indicator |
front 13 Random disturbance that obscures or reduces clarity is: | back 13 noise |
front 14 True/False: If an acceptable exposure indicator range is between 2.0 and 2.4, an exposure indicator of 4.0 would indicate overexposure. | back 14 True |
front 15 True/False: A high SNR results when insufficient mAs is used in creating a digital image. | back 15 False |
front 16 Which of the following factors will result in an increase in noise? excessive mAs scatter radiation high kV decrease in pixel size | back 16 scatter radiation |
front 17 Changing or enhancing the electronic image to improve its diagnostic quality describes: | back 17 post processing |
front 18 __________ is the application of specific image processing that alters the pixel values across the image so as to present a more uniform image appearance. | back 18 Equalization |
front 19 Window width controls the ________ of the digital image | back 19 contrast |
front 20 True/False: Post-processing can correct for a low SNR image. | back 20 False |